Quarter	US dollars
2004-12-31	205
2005-03-31	284
2005-06-30	226
2005-09-30	182
2005-12-31	201
2006-03-31	246
2006-06-30	220
2006-09-30	239
2006-12-31	290
2007-03-31	279
2007-06-30	279
2007-09-30	253
2007-12-31	366
2008-03-31	455
2008-06-30	404
2008-09-30	360
2008-12-31	311
2009-03-31	291
2009-06-30	305
2009-09-30	360
2009-12-31	334
2010-03-31	270
2010-06-30	646
2010-09-30	651
2010-12-31	924
2011-03-31	936
2011-06-30	1074
2011-09-30	1273
2011-12-31	818
2012-03-31	634
2012-06-30	690
2012-09-30	785
2012-12-31	766
2013-03-31	633
2013-06-30	683
2013-09-30	753
2013-12-31	645
2014-03-31	667
2014-06-30	716
2014-09-30	734
2014-12-31	537
2015-03-31	797
2015-06-30	691
2015-09-30	636
2015-12-31	489
2016-03-31	446
2016-06-30	446
2016-09-30	472
2016-12-31	459
2017-03-31	618
2017-06-30	1400
2017-09-30	1248
2017-12-31	1112
2018-03-31	1249
2018-06-30	1270
2018-09-30	1170
2018-12-31	909
2019-03-31	1124
2019-06-30	1050
2019-09-30	834
2019-12-31	1166
2020-03-31	1100
2020-06-30	995
2020-09-30	909
2020-12-31	670
2021-03-31	807
2021-06-30	992
2021-09-30	1249
2021-12-31	1253
2022-03-31	1325
2022-06-30	1180
2022-09-30	568
2022-12-31	242
2023-03-31	122
2023-06-30	77
2023-09-30	68